diff --git a/requirements.txt b/requirements.txt
index 3ae40fdd..391789de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-babel>=2.3.4, <2.8.1
+babel>=2.3.4, <2.10.0
 colorlog>=2.6.1, <5.0.0
 google-apitools
 gcloud >= 0.18.3, < 0.19.0